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Integrable model for density-modulated quantum condensates: solitons passing through a soliton lattice

Takahashi, Daisuke A


An integrable model possessing inhomogeneous ground states is proposed as an effective model of nonuniform quantum condensates such as supersolids and Fulde-Ferrell-Larkin-Ovchinnikov superfluids. The model is a higher-order analog of the nonlinear Schrödinger equation. We derive an n-soliton solution via the inverse scattering theory with elliptic-functional background and reveal various kinds of soliton dynamics such as dark soliton billiards, dislocations, gray solitons, and envelope...[Show more]

CollectionsANU Research Publications
Date published: 2016-06-24
Type: Journal article
Source: Physical review. E
DOI: 10.1103/PhysRevE.93.062224
Access Rights: Open Access


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